What question did this study set out to answer?

To review recent advances in multi-site electrocatalysis powered by high-entropy alloys and examine how elemental configurations influence intrinsic catalytic activity.

August 26, 2021Advanced Functional Materials

Multi‐Sites Electrocatalysis in High‐Entropy Alloys

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To review recent advances in multi-site electrocatalysis powered by high-entropy alloys and examine how elemental configurations influence intrinsic catalytic activity.
Synthesized theoretical and experimental literature addressing electrocatalytic design and active-site behaviors in high-entropy alloys.
Classified catalytic mechanisms across six target reactions: hydrogen evolution, oxygen evolution, oxygen reduction, alcohol oxidation, carbon dioxide reduction, and nitrogen reduction.
Adjacent multi-element configurations generate adjustable active sites that provide distinct electronic environments, enhancing multi-step electrocatalytic processes.
Synergistic interactions among neighboring elements enable tunable binding energies for critical reaction intermediates across diverse reduction and oxidation pathways.
Current challenges remain in mapping specific active-site geometries and predicting optimal multi-element compositions for stable, high-performance catalysis.

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Implication

Review reveals multi-site electrocatalytic mechanisms across energy-conversion reactions in high-entropy alloys, highlighting strategies for element selection and catalyst design.

Cite This Study

Li et al. (2021) studied this question.

synapsesocial.com/papers/69cefdb73716072aab071a93 https://doi.org/10.1002/adfm.202106715

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Implication

Review reveals multi-site electrocatalytic mechanisms across energy-conversion reactions in high-entropy alloys, highlighting strategies for element selection and catalyst design.

Multi‐Sites Electrocatalysis in High‐Entropy Alloys

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Implication

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Multi‐Sites Electrocatalysis in High‐Entropy Alloys

Key Points

Discussion

Implication

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